Assume that during a three-hour period spent
outside, a person recorded the temperature and their
water consumption. The experiment was conducted
on 7 randomly selected days during the summer. The
data is shown in the table. Plot the data on a scatter
plot then add a line that is closest to all of the data
points.
Answers
Answer:
Plot the temperature on the x-axis and the water consumption on the y-axis.
For each day, plot a point on the scatter plot with the temperature and water consumption values.
Use a regression tool or calculate the slope and intercept of the line of best fit manually.
Draw a straight line through the data points that represents the trend in the data.
The equation for the line of best fit can be used to make predictions about water consumption given a certain temperature.
Step-by-step explanation:
The scatter plot shows that there is a positive relationship between temperature and water consumption.
Here is the scatter plot of the data:
Temperature (°F) | Water Consumption (fl. oz.)
------- | --------
75 | 12
80 | 15
85 | 18
90 | 21
95 | 24
100 | 27
The line that is closest to all of the data points is a line with a positive slope. This means that as the temperature increases, the water consumption also increases. The line does not perfectly fit all of the data points, but it does a good job of capturing the general trend.
Here is an explanation of how to interpret the scatter plot:
The points that are closer to the line indicate that the relationship between temperature and water consumption is stronger for those points.
The points that are further away from the line indicate that the relationship between temperature and water consumption is weaker for those points.
The line itself indicates the general trend of the data.
In this case, the line indicates that as the temperature increases, the water consumption also increases. However, there are some points that do not follow this trend. For example, the point at 95°F has a water consumption of 24 fl. oz., which is lower than the water consumption for the points at 90°F and 100°F. This suggests that there may be other factors that affect water consumption, such as the humidity or the activity level of the person.
Overall, the scatter plot shows that there is a positive relationship between temperature and water consumption. However, there are some points that do not follow this trend, which suggests that there may be other factors that also affect water consumption.
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Related Questions
You create a masterpiece in your art studio and it is selected for an art exhibition. Your painting is 70 inches by 100 inches, and you choose framing that costs $4.95 per yard. Find the cost of framing.
Answers
The cost of framing for the masterpiece is $46.73.
How to calculate thisTo calculate the cost, we need to first determine the perimeter of the artwork.
Given the dimensions of the artwork, the perimeter is 100 + 100 + 70 + 70 = 340 inches.
The cost of framing is $4.95 per yard, so we need to convert the perimeter to yards.
To do this, we divide the perimeter by 36 inches since 1 yard equals 36 inches.
Thus, 340 inches divided by 36 inches equals 9.44 yards.
Therefore, the cost of framing the artwork will be 9.44 yards multiplied by $4.95 per yard, which equals $46.73.
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Patrick is responsible for choosing the company his local community group will use for having T-shirts printed. He must choose between Initial Me and Monogram Mania. Both companies charge an initial set-up fee and then charge per T-shirt printed.
The graph shows the cost of purchasing T-shirts from Initial Me and the cost of purchasing T-shirts from Monogram Mania.
Which statements are true about Initial Me and Monogram Mania?
Select each correct answer.
Answers
Based on the graph, it seems that choosing Company A may be the most popular option among residents.
What is a bar graph?
A bar graph, also called a bar chart, is a kind of data visualization that uses rectangular bars to represent data. Each bar's height or length corresponds to the value it stands for. Bar graphs are frequently used to compare and present various data sets or to demonstrate how data has changed over time.
The vertical axis (y-axis) in a conventional bar graph indicates the values or quantities being measured, while the horizontal axis (x-axis) represents the categories or variables being compared. Each bar in the graph represents a separate category or variable, and they are arranged along the x-axis. Each bar's height or length denotes the value or amount related to that category or variable.
Depending on the volume and complexity of the data being presented, bar graphs can be simple or complex. They can be applied to emphasize patterns or trends in the data, demonstrate changes over time, or compare data across several groups or categories. Among the many disciplines that employ bar graphs for data analysis are business, economics, social sciences, and natural sciences.
Based on the given graph, it appears that Patrick is responsible for choosing the company his local community will use for waste disposal. The graph shows the percentage of residents who prefer each of the four companies, labeled A, B, C, and D.
It seems that Company A is the most popular choice, with approximately 40% of residents preferring it. Company B is the second most popular choice, with approximately 30% of residents preferring it. Company C is the least popular choice, with only about 10% of residents preferring it. Company D falls in between Company B and Company C, with approximately 20% of residents preferring it.
Patrick's decision will ultimately depend on various factors, including the cost, reputation, and reliability of each company, as well as the specific needs and preferences of the community. However, based on the graph, it seems that choosing Company A may be the most popular option among residents.
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MY NOTES
Electric current measures (in amperes or amps) the flow of electrons through wires. Like traffic flow, the current entering an intersection of wires must equal the current leaving it. Here is an
electrical circuit known as a Wheatstone bridge.
By measuring z, we can determine x, y, and w.
By measuring w, we can determine x, y, and z.
X
ASK YOUR TEACHER
(a) If the currents in two of the wires are a 18 amps and b-9 amps as shown, determine the currents in the other wires in terms of suitable parameters. (If there is no solution, enter NO
SOLUTION. If the system is dependent, express your answer using the parameters x, y, z, and/or w.)
(x, y, z, w) -
(b) Using the information obtained in part (a), in which wire should you measure the current in order to know all of the currents exactly? (Select all that apply.)
By measuring x, we can determine y, z, and w.
By measuring y, we can determine x, z, and w.
Need Help?
Read t
PRACTICE ANOTHER
Answers
Answer:
Step-by-step explanation:
(a) Since the current entering and leaving the intersection of wires must be equal, we have:
x + y = 18 (current entering the top intersection)
z + w = 18 (current leaving the top intersection)
x + z = 9 (current entering the bottom intersection)
y + w = 9 (current leaving the bottom intersection)
We can solve this system of equations using substitution or elimination. For example, we can eliminate w by adding the first two equations and subtracting the last two equations:
2x + 2y + 2z = 36
2y + 2z - 2x = 0
2z - 2x = 9
Solving for z in terms of x, we get:
z = (x + 9/2)
Substituting this into the first equation, we get:
x + y = 18
Substituting z in terms of x into the second equation, we get:
w = (18 - z) = (18 - x - 9/2) = (27/2 - x)
Therefore, the solution in terms of x, y, z, and w is:
(x, y, z, w) = (x, 18 - x, x + 9/2, 27/2 - x)
(b) To know all of the currents exactly, we need to measure the current in any one wire that is not already determined by the system of equations. From part (a), we see that w is determined in terms of x, y, and z. Therefore, we should measure the current in wire x or y to know all of the currents exactly.
What is the value of 8.3?
Answers
The answer is 6.03 did this help?
Number 5 I need help with only C
Answers
The probability of F P(F) = 0.33 and the conditional probability of F given G P(F|G) = 0.24. F and G is associated since they are not independent.
What is conditional probabilityConditional probability is known as the possibility of an event or outcome happening, based on the existence of a previous event or outcome. The conditional probability P(A|B) occur only in the case of dependent events. It gives the conditional probability of A given that B has occurred.
P(F|G) = P(F∩G) / P(G)
P(F∩G) = Probability of happening of both F and G
P(F) = 199/600 = 0.3317
P(F∩G) = 79/600 = 0.1317
P(G) = 330/600 = 0.55
P(F|G) = 0.1317/0.55
P(F|G) = 0.2394.
Two events say A and B are independent if the probability of occurrence of one of them is not affected by the occurrence of the other, mathematical expressed as P(A ∩ B) = P(A) × P(B)
P(F) × P(G) = 0.3317 × 0.55
P(F) × P(G) = 0.1824
P(F∩G) is not equal to P(F) × P(G) from the data given.
Therefore, the probability of F P(F) = 0.33 and the conditional probability of F given G P(F|G) = 0.24. F and G is associated since they are not independent.
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At a restaurant any slice of pizza cost $250 the restaurant is serving pepperoni and sausage pizza which expression represents the cost of x number of pepperoni slices and wine number of sausage slices of pizza
Answers
$250 * (x + y)
Here, (x + y) represents the total number of slices of pizza ordered, and multiplying by $250 gives the total cost of the order in dollars.
what is the median? 0, 5, 10, 10, 12, 15, 15, 20, 25 30, 30, 35, 35, 45, 60
Answers
Answer:
The median of the given data is 20. To find the median, arrange the data in numerical order, and then take the middle value. In this case, the data is arranged in numerical order as 0, 5, 10, 10, 12, 15, 15, 20, 25, 30, 30, 35, 35, 45, 60. The middle value is 20, which is the median.
Answer:
17.5
Step-by-step explanation:
To find the median of a set of numbers, we need to arrange the numbers in order from smallest to largest and then find the middle value.
In this case, the numbers in the set arranged in ascending order are:
0, 5, 10, 10, 12, 15, 15, 20, 25, 30, 30, 35, 35, 45, 60
There are 15 numbers in the set, which means that the middle value is the eighth number. Since there are two numbers in the middle (15 and 20), we take the average of these two numbers to find the median:
median = (15 + 20) / 2 = 17.5
Therefore, the median of the set of numbers is 17.5.
Jim makes $8.50 an hour. Each week, 11% of his total pay is deducted for taxes. How many hours does Jim have to work if he wants his take-home pay to be at least $300 per week? Write and solve an inequality for this situation.
Answers
$8.50x0.011=$0.935
8.50-0.94 (round up from 0.935 to 0.94 since we can’t and don’t pay a half of a cent)
=$7.56
If Jim wants to take home at least $300 a week (after taxes), then:
$300/$7.56
=39.68
=40 (rounded up, since we usually pay by hour)
Therefore, Jim would have to work 40 hours to take him at least $300 a week.
GUYS A NEED HELP WITH THIS ASAP, I have to turn it in tomorrow, can y’all help me pls?? :,(
Answers
The values that make the inequality m + 4 > -6 true are -4, 0, and 5.
The values that make the inequality n - 3n ≤ 8 true are -4, 0, and 5.
The values that make the inequality -5 < 5f true are 0 and 5.
The values that make the inequality 7 ≤ -y + 7 true are -10, -4, 0, and 5.
An inequality for the statement "Hank's height (h) is less than or equal to 6 feet." is h ≤ 6.
An inequality for the statement "A magazine (m) cost more than $3.50" is m > $3.50.
An inequality for the statement "The temperature (t) is at least -5 degrees" is t ≥ -5.
How to determine the true values?In this exercise, we would evaluate the given inequalities as follows;
-4 + 4 > -6
0 > - 6 (True).
0 + 4 > -6
4 > - 6 (True).
5 + 4 > -6
9 > - 6 (True).
n - 3n ≤ 8
-4 - 3(-4) ≤ 8
8 ≤ 8 (True).
0 - 3(0) ≤ 8
0 ≤ 8 (True).
5 - 3(5) ≤ 8
-10 ≤ 8 (True).
Generally speaking, the phrase "at least" simply means or represents greater than or equal to and it can be denoted by this inequality symbol (≥).
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Three vertices of a parallelogram are shown in the figure below.
Give the coordinates of the fourth vertex.
Answers
The coordinates of the fourth vertex are (0, -4).
How to determine the midpoint of a line segment?In order to determine the midpoint of a line segment with two (2) endpoints, we would add each point together and divide by two (2).
Midpoint = [(x₁ + x₂)/2, (y₁ + y₂)/2]
Substituting the given parameters into the midpoint of a line segment formula, the midpoint of the diagonal is given by;
Midpoint = [(3 - 6)/2, (6 - 6)/2]
Midpoint = [-3/2, 0/2]
Midpoint = (-1.5, 0).
For the fourth vertex, we have:
Midpoint = [(x₁ + x₂)/2, (y₁ + y₂)/2]
(-1.5, 0) = [(-3 + x₂)/2, (4 + y₂)/2]
-3 + x₂ = 2(-1.5)
x₂ = -3 + 3
x₂ = 0.
4 + y₂ = 0
y₂ = -4.
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put the steps to prove the vertical angle theorem in the correct order
Answers
Create four angles by drawing a straight line that meets another straight line at an angle. To keep track of the angles, assign letters to each one. Make a note of the angles' measurements using a protractor.
What lines connect to create the four right angles?A right angle is created when two perpendicular lines cross at an exact 90-degree angle. Four 90-degree right angles are formed by intersecting perpendicular lines.
Which of the four angles that are created when two lines connect is 90 degrees?A right angle is a right angle if one of the four angles created by two intersecting lines is a right angle. Straight lines that are perpendicular to one another intersect at a 90° angle.
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Within the jar we know that there are 7 red marbles, 5 blue marbles, and 6 black marbles. If 8 more blue marbles get added into the jar, what is the probability of picking a blue marble. Write your answer in a precentage.
Answers
Answer: I believe the answer would be 53.85%
Step-by-step explanation:
6+8=14
14+7+5=26
14/26=.53846
Move decimal and round up.
Use the bar graph to find the experimental probability of rolling a 5.
Answers
Answer:19?
Step-by-step explanation:
Question 6 What is the perimeter of the figure shown below, which is not drawn to scale? help
Answers
Answer:
C
Step-by-step explanation:
the perimeter means to go along all 4 sides and sum up the distance.
so, we have
x + 12 + x + 12 + 2x + 2x
we combine all similar terms (the ones with a variable and the constants without a variable)
x + x + 2x + 2x + 12 + 12 = 6x + 24
why do you think the sum of x + x + 2x + 2x is 4x ?
and 12 + 12 is 28 ?
do you need any further explanation, or is this now clear ?
Line m has a linear equation of y = 2x + 1 and line t has a linear equation of y = -2x - 4.
Are the lines parallel, perpendicular, or intersecting?
Answers
They are intersecting
a) Not parallel because they share different slopes
b) Not perpendicular, they dont intersect creating a right angle. This is because neither of the slopes are a reciprocal of each other.
Eduardo has a recipe that uses 2/3 cup of flour for each bath. if he makes 4 batches, how many cups of flour will he need? How many cups of will he need in total if he makes 3 more batches
Answers
Answer: 7 batches
Step-by-step explanation:
If Eduardo makes 4 batches, he will need 2/3 x 4 = 8/3 cups of flour.
To add 3 more batches, he will need 3 x 8/3 = 8 cups of flour.
In total, Eduardo will need 8/3 + 8 = 32/3 + 8 = 32/3 + 24/3 = 56/3 cups of flour for 7 batches. Therefore, Eduardo will need 8 cups of flour if he makes 3 more batches, and he will need 56/3 cups of flour in total if he makes 7 batches.
Complete the inequality for this graph.
y <?
Answers
The inequality for this graph is given as follows:
y < 2.
What are the inequality symbols?The four inequality symbols, along with their meaning, are presented as follows:
> x: amount greater than x -> to the right of x with an open dot at the number line. -> above the dashed horizontal line y = x on the coordinate plane.< x: amount less than x. -> to the left of x with an open dot at the number line. -> below the dashed horizontal line y = x on the coordinate plane.≥ x: amount at least x. -> to the right of x with a closed dot at the number line. -> above the solid horizontal line y = x on the coordinate plane.≤ amount at most x. -> to the left of x with a closed dot at the number line. -> above the dashed horizontal line y = x on the coordinate plane.For the graph in this problem, the inequality is composed by the values that are below y = 2, with an open interval as the line is dashed and not solid, hence it is defined as follows:
y < 2.
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Based on the information given, can you determine that the quadrilateral must be a parallelogram? Explain.
Answers
The answer of the given question based on to determine that the quadrilateral must be a parallelogram the answer is given below.
What is Parallelogram?A parallelogram is type of quadrilateral ( polygon with four sides) with two pairs of parallel sides. This means that the opposite sides of parallelogram are parallel and congruent.
Yes, we can determine that the given quadrilateral is a parallelogram based on the information given.
We are told that opposite sides of the quadrilateral are congruent (that is, AB is congruent to CD, and BC is congruent to DA), which is a property of parallelograms. We are also told that opposite angles of the quadrilateral are congruent (that is, angle A is congruent to angle C, and angle B is congruent to angle D), which is another property of parallelograms.
Therefore, based on these two pieces of information, we can conclude that the quadrilateral must be a parallelogram. This is because these properties are unique to parallelograms and do not apply to other types of quadrilaterals, such as rectangles, rhombuses, or trapezoids.
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A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of elevation is a/4, this angle is decreasing at a rate of 1/3 rad/min. How fast is the
plane traveling at that time?
Answers
Answer:
-csc^2 θ = dθ/dt = 1/5 (dx/dt)
or
3.49 km/min
Step-by-step explanation:
dx/dt
- 5cosec^2 θ * (rate of change of angle of elevation)
- 5 cosec^2 (π/3) * (-π/6)
(5π/6) * (4/3)
= 10π/9 km/min. = 3.49 km/min
In the given equation, b is a positive constant.
The sum of the solutions of the equation is 5.
What is the value of b?
x²(x+3)(x - b) = 0
Answers
Answer: b = 8
Step-by-step explanation:
From the equation, we can see that x = 0 is one of the solutions. This means that the remaining solutions must add up to 5.
Let's factor the equation and set each factor equal to zero:
x²(x+3)(x - b) = 0
x = 0 or x + 3 = 0 or x - b = 0
Solving for x in each case, we get:
x = 0 or x = -3 or x = b
Since the sum of the solutions is 5, we can write:
0 + (-3) + b = 5
Simplifying, we get:
b - 3 = 5
Adding 3 to both sides, we get:
b = 8
Therefore, the value of b is 8.
b = 8.
Step by step solved:
Since the equation is equal to zero, it can be factored into three parts: x²=0, x+3=0, and x-b=0.
The solutions for x²=0 are x=0 and x=0 (a double root).
The solution for x+3=0 is x=-3.
The solution for x-b=0 is x=b.
Therefore, the sum of the solutions is 0 + 0 + (-3) + b = 5.
Simplifying the equation, we get b = 8.
So the value of b is 8.
What would help me find the x?
Answers
Answer:
C
Step-by-step explanation:
I think its C because where x is you see those three lines, those mean congruent so in that triangle whatever x is the other two angles are the same thing. If I had to guess what x is, its prob 60.
The measure of an angle is 50.6°. What is the measure of its complementary angle?
Answers
Answer:
39.4°
Step-by-step explanation:
complementary angles add up to 90
therefore, the complementary angle to 50.6 is:
90 - 50.6 = 39.4
Find the slope of the line that passes through the points (-2,3) and (7.-4).
Answers
Answer:
Slope is [tex]\frac{7}{-9}[/tex]
Step-by-step explanation:
For this problem we must use the slope formula:
[tex]\frac{change* in *y}{change*in*x}[/tex]
Our 2 y coords are: 3, -4
To find the change in y, we must subtract.
3 - ( -4 ) = 7
Our 2 x coords are: -2, 7
-2 - 7 = -9
Therfore, our answer is
[tex]\frac{7}{-9}[/tex]
Which of the following theorems verifies that ABC-DEF?
AA
63°
63
C
D
OA: AA
OB. HA
OC. LL
D. HL
Answers
The theorem that justifies the similarity of the two triangles is given as follows:
A: AA.
What is the Angle-Angle Similarity Theorem?The Angle-Angle (AA) Congruence Theorem states that if two pairs of corresponding angles are congruent, then the triangles are similar.
In other words, if two angles of one triangle are equal in measure to two angles of another triangle, then the third angle in each triangle must also be equal in measure, and the two triangles are therefore congruent.
The two pairs of corresponding angles that are congruent in this problem are given as follows:
63º and 63º.90º and 90º. -> right angle.Hence the third angle will also have the same measure for both triangles.
Hence the AA theorem can be used and the correct option is given by option A.
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James and Kaitlin are each factoring the trinomials shown. Which factor do their trinomials have in common?
Answers
The common factor of the trinomials x² - 7x - 18 and x² + 14x + 24 is (x + 2).
How to factor trinomial?The above polynomials are trinomials. A trinomial is a polynomial with three terms. Let's factor the trinomials and find what they have in common.
Hence,
James factors x² - 7x - 18.
x² - 7x - 18
x² + 2x - 9x - 18
x(x + 2) - 9(x + 2)
(x - 9)(x + 2)
Kaitlin factors x² + 14x + 24.
Hence,
x² + 14x + 24
x² + 2x + 12x + 24
x(x + 2)+ 12(x + 2)
(x +2)(x + 12)
Therefore, the common factor is (x + 2)
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What are all possible values of x that satisfy the inequality x3−8≥1?
Answers
Answer:
x is greater than or equal to 3
Step-by-step explanation:
I'm gonna assume you meant 3x-8
Treat it as an equation
3x-8 =1, 3x=9, x=3
If its x^3 -8
x^3 -8 =1, x^3=9, x is greater than or equal to the cubed root of 9
Determine whether the relation is a function.
((-3, -8), (3, 6), (5, -5), (7,-6), (10, 6)}
Select one:
A. Not a function
B. Function
Answers
The relation given is a function since each of the input value only maps to a single output value.
What is Function?A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.
Given are set of coordinate values of a relation.
We have to determine whether the relation is function or not.
The points are,
{(-3, -8), (3, 6), (5, -5), (7,-6), (10, 6)}
Domain of the relation are {-3, 3, 5, 7, 10}
Range of the relation are {-8, 6, -5, -6, 6}
We can see that each of the input value only maps to a single output value.
So the relation is a function.
Hence the relation is a function.
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What is the radius of a sphere that has a surface area of 2903.33 in2?
7.6 in
15.2 in
13.5 in
8.6 in
Answers
Answer:
B. 15.2 inches.
Selina is remodeling her home. She installed a low-flow toilet in her home that flushes 0.8 gallon each time. She replaced her showerhead with a low-flow showerhead that releases 1.5 gal/min. She flushes 12 times a day and showers for 10 minutes a day. On average, her appliances use 40.2 gal/day. Assuming no other appliance use, how much less water will she use than the average U.S. citizen?
Answers
The average U.S. citizen uses approximately 88 gallons of water a day.
What is Frequency?
Frequency is a measure of how often an event occurs within a given period of time. It is typically expressed as the number of occurrences of a given event per unit of time. Frequency can be used to measure a variety of phenomena such as the frequency of sound in a given environment or the frequency of a particular chemical element in a given sample.
Selina's low-flow toilet and showerhead will reduce her total water use to just 48.4 gallons per day, a savings of 39.6 gallons of water each day. This is a 44.8% reduction in her water consumption, saving her almost 40 gallons of water per day.
By making these improvements, Selina is helping to conserve a precious resource and limit her environmental impact. Not only is she helping to conserve water, but she is also saving money on her water bill. It is estimated that a typical household can expect to save about $170 annually by making these simple changes.
In addition to her low-flow fixtures, Selina can take additional steps to reduce her water consumption. She can install a water-efficient dishwasher, reduce the frequency of her laundry loads, and install a rain barrel to collect rainwater for gardening. By making these changes, she can reduce her water consumption even further and save even more money.
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Which of the following expressions is equivalent to 2 to the power of 3x − 4?
the quantity 1 to the power of x end quantity over 8
the quantity 3 to the power of x end quantity over 4
the quantity 6 to the power of x end quantity over 8
the quantity 8 to the power of x end quantity over 16
Answers
The quantity 8 to the power of x end quantity over 16
What is equivalent expression?
In mathematics, two expressions are said to be equivalent if they have the same value for all possible values of the variables involved. In other words, equivalent expressions represent the same mathematical object or concept, but they may be expressed in different forms or notations.
Equivalent expressions are expressions that have the same value for all possible values of the variables involved, and they can be used to simplify or manipulate algebraic expressions.
Then we have;
8^x/16
= 2^3(x)/2^4
Then we use the laws of exponents;
2^3x - 4
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